diff --git a/crates/store_sqlite/migrations/4_principals.sql b/crates/store_sqlite/migrations/1_principals.sql
similarity index 100%
rename from crates/store_sqlite/migrations/4_principals.sql
rename to crates/store_sqlite/migrations/1_principals.sql
diff --git a/crates/store_sqlite/migrations/1_calendar.sql b/crates/store_sqlite/migrations/2_calendar.sql
similarity index 92%
rename from crates/store_sqlite/migrations/1_calendar.sql
rename to crates/store_sqlite/migrations/2_calendar.sql
index 01125e6..efeff16 100644
--- a/crates/store_sqlite/migrations/1_calendar.sql
+++ b/crates/store_sqlite/migrations/2_calendar.sql
@@ -14,7 +14,9 @@ CREATE TABLE calendars (
     comp_event BOOLEAN NOT NULL,
     comp_todo BOOLEAN NOT NULL,
     comp_journal BOOLEAN NOT NULL,
-    PRIMARY KEY (principal, id)
+    PRIMARY KEY (principal, id),
+    CONSTRAINT fk_calendar_principal FOREIGN KEY (principal)
+    REFERENCES principals (id) ON DELETE RESTRICT
 );
 
 CREATE TABLE calendarobjects (
diff --git a/crates/store_sqlite/migrations/2_addressbook.sql b/crates/store_sqlite/migrations/3_addressbook.sql
similarity index 88%
rename from crates/store_sqlite/migrations/2_addressbook.sql
rename to crates/store_sqlite/migrations/3_addressbook.sql
index 83cf273..ea35b17 100644
--- a/crates/store_sqlite/migrations/2_addressbook.sql
+++ b/crates/store_sqlite/migrations/3_addressbook.sql
@@ -6,7 +6,9 @@ CREATE TABLE addressbooks (
     description TEXT,
     deleted_at DATETIME,
     push_topic TEXT UNIQUE NOT NULL,
-    PRIMARY KEY (principal, id)
+    PRIMARY KEY (principal, id),
+    CONSTRAINT fk_addressbook_principal FOREIGN KEY (principal)
+    REFERENCES principals (id) ON DELETE RESTRICT
 );
 
 CREATE TABLE addressobjects (
diff --git a/crates/store_sqlite/migrations/3_subscriptions.sql b/crates/store_sqlite/migrations/4_davpush.sql
similarity index 100%
rename from crates/store_sqlite/migrations/3_subscriptions.sql
rename to crates/store_sqlite/migrations/4_davpush.sql